1,Type: 2.4Ghz Wireless 2,DPI:600-1200 3,Power:2AAAbatteries 4,Working distance: 8-10m 5,Connector: USB2.0 Receiver 1,Type: 2.4Ghz Wireless 2,DPI:600-12003,Power:2AAAbatteries4,Working distance: 8-10m5,Connector: USB2.0 Receiver 6,Size:95*65*36mm Wireless optical mouse with 2.4Ghz radio frequency technology